Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,552,306",
      "signature": "0xad28041b0e696ba1cfb75a26dee4ee849a087b355bd46ab51f0010de5cf84c292946c9713c7fc7d6a18df285e55e59d6",
      "randomness": "0xaa88f015143b85bcd4493e33df330b9af7210b0173850696b9fed19986370751"
    }
  ],
  "blockNumber": "7,408,412"
}

{
  "Sr25519": "0x9e759a138f745b515130c84b4a590297b979af821636a2f3238ec30303a6e501dc3015e974164dc9122caed839149dc298bab5ca87eb8b3e55b25882345aa781"
}